procurement of 300nb couplings of u#5 ash slurry line for ahpmm, btps. , procurement of 300nb couplings of u#5 ash slurry line for ahpmm, btps. , reducer coupling set of 300nb pipe. for ash slurry pipe system it consists of 1 no reducer coupling sleeve,2 nos follower of 300nb pipe, 2 nos neoprene rubber tapered gasket , 10 nos ms bolts of size 5/8 inches x 12 inches with double washer single nut and the bolt is threaded up t0 6 inches. additional data: one neoprene rubber tapered gasket of size 322nb x 14-3 mm (outside tapered, inside plane) x 26mm as per sample, another neoprene rubber tapered gasket of size 345nb x 14-3 mm (outside tapered, inside plane) x 26mm as per sample, reducer coupling sleeve: id1: 350mm, id2: 327, od: 377mm. length: 200mm follwer 1- id:350mm, od: 450mm, follower 2: id:327mm, od: 450mm thickness: 12mm, 50mm collar, 10nos 18 dia holes, 400/410 pcd. for fitment as per sample, moc: ms 2062, total assembly to be supplied with fitted in one set as per sample item code: m03-p05-00638, hsn: 7307 , coupling,300nb # # for coarse ash disposal line additional data: set with 01 no sleeve, 02 nos follower, 10nos 5/8 x12 inch bolt-thread length: 6 inches with 02 nos washer and single nut for each bolt and 2 nos neoprene rubber tapered gasket of size 320nb x 14-3 mm(outside tapered,inside plane) x26mm as per sample, sleeve id: 327mm, sleeve thicknees: 10mm, sleeve length: 200mm, follower id:350mm,od:450mm,thicknesss: 12mm, 10nos 18 dia holes, moc: ms 2062 total assembly to be supplied with fitted in one set as per sample item code: m03-p05-00090